Blue Natural Tusk EarringsIvory Jacks premium Natural Tusk Earrings follow the curvature of the prehistoric woolly mammoth tusk. The beautiful coloration is found on the exterior portion of the tusk where it lay in the soil or ice for tens of thousands of years where minerals seeped into the material creating a colorful stain. Colors vary and may include cream, tan, brown base tones and will include accents of very rare blue, green, and or black. Mammoth ivory is found in the